1. Johannis de Sacro-Bosco Tractatus de arte numerandi.--II. A method used in England in the fifteenth century for taking the altitude of a steeple or inaccesible object.--III. A treatise on the numeration of algorism.-- IV. A treatise on the properties and qualities of glasses for optical purposes, according to the making, polishing, and grinding of them. By William Bourne.-- V. Johannis Robyns de cometis commentaria.--VI. Two tables: one shewing the time of high water at London Bridge, and the other the duration of moon-light
Evidence reported by marcus lucero for item raramathematicao00hallrich on December 15, 2006: no visible notice of copyright; stated date is 1839.